diff --git a/data/web/inc/lib/WebAuthn/rootCertificates/bsi.pem b/data/web/inc/lib/WebAuthn/rootCertificates/bsi.pem
new file mode 100644
index 00000000..2a6b40f1
Binary files /dev/null and b/data/web/inc/lib/WebAuthn/rootCertificates/bsi.pem differ
diff --git a/data/web/inc/prerequisites.inc.php b/data/web/inc/prerequisites.inc.php
index a30cd7f2..f2ede8eb 100644
--- a/data/web/inc/prerequisites.inc.php
+++ b/data/web/inc/prerequisites.inc.php
@@ -68,6 +68,7 @@ $WebAuthn->addRootCertificates($_SERVER['DOCUMENT_ROOT'] . '/inc/lib/WebAuthn/ro
 $WebAuthn->addRootCertificates($_SERVER['DOCUMENT_ROOT'] . '/inc/lib/WebAuthn/rootCertificates/microsoftTpmCollection.pem');
 $WebAuthn->addRootCertificates($_SERVER['DOCUMENT_ROOT'] . '/inc/lib/WebAuthn/rootCertificates/huawei.pem');
 $WebAuthn->addRootCertificates($_SERVER['DOCUMENT_ROOT'] . '/inc/lib/WebAuthn/rootCertificates/trustkey.pem');
+$WebAuthn->addRootCertificates($_SERVER['DOCUMENT_ROOT'] . '/inc/lib/WebAuthn/rootCertificates/bsi.pem');
 
 // Redis
 $redis = new Redis();